How to: Sub-Zero Showroom Mode

This is the same procedure for any Bi Series, 600 series or 700 series unit after serial 1810000.
A common issue that we run into sometimes with subzero refrigerators right after they have been installed, is that the installer forgets to take the machine out of showroom mode. the unit will indicate that it is at proper temperature but the machine will be room temperature. This mode is intended to be used in show rooms. It will display the product without actually running the motors and causing wear and tear on the product.
We have often seen this happen after someone cleans the screen of the touch panel of the sub zero. The panel is sensitive to touch and the cleaning action will accidentally hit the colder-warmer and power buttons which will activate show room mode.
So when we got this call on Christmas Eve we headed out to Montclair New Jersey to have a look. This is what we found.
To be clear, to enter or exit showroom mode you turn the machine off, then you press Colder, warmer and power at the same time. Then let go.

[@subzerorepair]

This was a classic series or a BI series unit. This information is available online and in your use and care guide but can be a little tricky to figure out on your own.

[@EmEdDia]

Our control display has double dashes and not responding. Any ideas?